Do you mean spider.io? I believe the internal team at Google had egg on their face when they had to admit they hadn't built anything and had to instead buy this company. But yeah it's definitely a sign that a network is maturing -- both facing and stopping this problem

Edit: Fun fact, one often undiscussed use for click-fraud was money laundering schemes, where people would own shitty landing pages with ads, and pay bot-net operators to click ads on their pages to legitimize money as "ad revenue"